Access sache.org. Safety and Chemical Engineering Education (SAChE)

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.341

33/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

sache.org

49 ms

safety-and-chemical-engineering-education-sache

12 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

7 ms

css_G1tYSPRVA0kO4kw4f1T-hoZii8j651C-rMcKsyQIqF4.css

17 ms

css_LVk8ZP9ui3cP1MmOqNbx7UjYpLBBJK5cdV3wu2wZJaY.css

31 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sache.org, 57% (33 requests) were made to Aiche.org and 9% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (548 ms) relates to the external source Connect.facebook.net.

Content Size

1.0 MB

After Optimization

647.9 kB

In fact, the total size of Sache.org main page is 1.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 527.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 104.7 kB

Original 124.5 kB
After minification 93.9 kB
After compression 19.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 30.6 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 104.7 kB or 84% of the original size.

Image Optimization

-20%

Potential reduce by 55.6 kB

Original 282.5 kB
After minification 226.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, SAChE needs image optimization as it can save up to 55.6 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 218.6 kB

Original 527.2 kB
After minification 527.2 kB
After compression 308.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 218.6 kB or 41% of the original size.

CSS Optimization

-4%

Potential reduce by 3.5 kB

Original 96.0 kB
After minification 96.0 kB
After compression 92.6 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sache.org has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SAChE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.